| Family | HYPERICACEAE |
| Genus species | Hypericum tetrapterum Fr. sect. Hypericum |
| Bibliography | Novit. Fl. Svec.: 236 (1823) |
| Native Range | Europe to Caucasus, Medit. to Iran |
| Primary Biome | Temperate |
| Habitat | rocky slopes |
| Altitude | 0-2000m |
| Description | glabrous, leaves translucently punctate, subamplexicaule, ovate-oblong, obtuse, flowers solitary, calyx lobes lanceolate, acute, entire, eglandular |
| Size | 20-70cm |
| Color | yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny rock crevices, protection against winter wet alpine house, poor, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C division in spring; cuttings in late summer |
| Synonyms | Holosepalum quadrangulum (L.) Fourr. Hypericum acutum Moench Hypericum acutum ssp. euacutum Hayek Hypericum acutum f. humile (Boenn.) Hegi Hypericum acutum f. patulum (Boenn.) Hegi Hypericum acutum var. rotundifolium (Willk.) Schinz Hypericum acutum ssp. tetrapterum (Fr.) Maire Hypericum alatum Retz Hypericum ambiguum Kanitz Hypericum borbasii Formánek Hypericum confertum (Choisy) G.Don Hypericum fallax var. quadrangulare (L.) O.Schwarz Hypericum maculatum ssp. quadrangulum (L.) Hayek Hypericum neapolitanum Ten. Hypericum neapolitanum var. confertum (Choisy) Guss. Hypericum quadrangulare Willd. Hypericum quadrangulum L. Hypericum quadrangulum var. acutum Fiori Hypericum quadrangulum ssp. acutum Rivas Goday & Borja Hypericum quadrangulum var. alatum (Retz.) Boenn. Hypericum quadrangulum var. confertum Choisy Hypericum quadrangulum var. humile Boenn. Hypericum quadrangulum var. neapolitanum (Ten.) Ten. Hypericum quadrangulum var. patulum Boenn. Hypericum quadrangulum var. pauciflorum Wahlenb. Hypericum quadrangulum var. tetrapterum (Fr.) Borg Hypericum quadrangulum ssp. tetrapterum (Fr.) Hook.f. Hypericum quadratum Stokes Hypericum quadrialatum Wahlb. Hypericum rotundatum Schur Hypericum tetrapterum f. densiflorum Čelak. Hypericum tetrapterum var. genuinum Cout. Hypericum tetrapterum var. neapolitanum (Ten.) N.Terracc. Hypericum tetrapterum f. stigmaphyllum Woronow Hypericum undulatum var. impellucidum H.Lindb. Hypericum undulatum var. rotundifolium (Willk.) Pau |
| Territory | 1 Europe 10 Northern Europe (DEN Denmark, GRB Great Britain, IRE Ireland, SWE Sweden) 11 Middle Europe (AUT Austria, BGM Belgium, CZE Czechoslovakia, GER Germany, NET Netherlands, POL Poland, SWI Switzerland) 12 Southwestern Europe (COR Corse, FRA France, SAR Sardegna, SPA Spain) 13 Southeastern Europe (ALB Albania, BUL Bulgaria, GRC Greece, ITA Italy, KRI Kriti, ROM Romania, SIC Sicilia, TUE Turkey-in-Europe, YUG Yugoslavia) 14 Eastern Europe (BLR Belarus, UKR Ukraine) 2 Africa 20 Northern Africa (ALG Algeria, LBY Libya, MOR Morocco) 3 Asia-Temperate 33 Caucasus (NCS North Caucasus, TCS Transcaucasus) 34 Western Asia (EAI East Aegean Is., IRN Iran, IRQ Iraq, LBS Lebanon-Syria, TUR Turkey) |